Pen with automatic light system



FIG. 1 is a front view of a pen with automatic light system showing mynew design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a front view showing the cap removed thereof;

FIG. 8 is a top plan view without cap thereof.

The ornamental design for a pen with automatic light system, as shownand described.